You searched for: Author Clason Map Co. Remove constraint Author: Clason Map Co. Format JPEG Remove constraint Format: JPEG Subject Thematic maps Remove constraint Subject: Thematic maps Institution Minnesota Remove constraint Institution: Minnesota Place Minneapolis-St.Paul-Bloomington, Minnesota, United States Remove constraint Place: Minneapolis-St.Paul-Bloomington, Minnesota, United States Place Ramsey County, Minnesota, United States Remove constraint Place: Ramsey County, Minnesota, United States Year 1970 Remove constraint Year: 1970